Assignee
Inventors
- Hitoshi Yauchi (4 patents)
- Koichi Sugiyama (88 patents)
- Akihiko Miyashita (1 patents)
- Nakatoshi Satoh (2 patents)
- Tatsuo Sugawara (11 patents)
- Hiroyuki Sato (323 patents)
- Takashi Onozato (13 patents)
US Patent 5500657 · Granted Mar 19, 1996